srsLTE/srsue/hdr/stack/upper/nas_5gmm_state.h

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/**
*
* \section COPYRIGHT
*
* Copyright 2013-2021 Software Radio Systems Limited
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the distribution.
*
*/
#ifndef SRSUE_NR_NAS_MM5G_STATE_H
#define SRSUE_NR_NAS_MM5G_STATE_H
#include "srsran/srslog/srslog.h"
#include <atomic>
#include <string>
namespace srsue {
// 5GMM states (3GPP 24.501 v16.07.0)
class mm5g_state_t
{
public:
enum class state_t {
null = 0,
deregistered,
registered_initiated,
registered,
deregistered_initiated,
service_request_initiated,
};
// 5GMM-DEREGISTERED sub-states (3GPP 24.501 v16.07.0)
enum class deregistered_substate_t {
null = 0, // This should be used when not in mm5g-DEREGISTERED
normal_service,
limited_service,
attempting_to_registration,
plmn_search,
no_supi,
no_cell_available,
e_call_inactive,
initial_registration_needed,
};
// 5GMM-DEREGISTERED sub-states (3GPP 24.501 v16.07.0)
enum class registered_substate_t {
null = 0, // This should be used when not in mm5g-REGISTERED
normal_service,
non_allowed_service,
attempting_registration_update,
limited_service,
plmn_search,
no_cell_available,
update_needed,
};
// FSM setters
void set_null();
void set_deregistered(deregistered_substate_t substate);
void set_deregistered_initiated();
void set_registered(registered_substate_t substate);
void set_registered_initiated();
void set_service_request_initiated();
// FSM getters
state_t get_state() { return state; }
deregistered_substate_t get_deregistered_substate() { return deregistered_substate; }
registered_substate_t get_registered_substate() { return registered_substate; }
// Text Helpers
const std::string get_full_state_text();
private:
state_t state = state_t::null;
deregistered_substate_t deregistered_substate = deregistered_substate_t::null;
registered_substate_t registered_substate = registered_substate_t::null;
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srslog::basic_logger& logger = srslog::fetch_basic_logger("NAS-5G");
};
const char* mm5g_state_text(mm5g_state_t::state_t type);
const char* mm5g_deregistered_substate_text(mm5g_state_t::deregistered_substate_t type);
const char* mm5g_registered_substate_text(mm5g_state_t::registered_substate_t type);
} // namespace srsue
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#endif